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Pure Power in > Pure Sound out
Operation
Turning the PurePower On
After the APS is connected to a power outlet, it conducts a self-test and enters Standby mode. To
turn on the APSoutput power, press the On | button on the front panel. The ~ indicator illumi-
nates and the bar graph indicators display the percentage of available power being supplied by
the APS.
Starting the PurePower APS on battery
To turn on the APS without using utility power, press and hold the On | button for a least four
seconds. The APS supplies power to your equipment and goes into Battery mode. When the APS
starts on battery, it does not conduct a self-test to conserve battery power.
Turning the PurePower APS off
To turn off the APS:
· Press and hold the off button for approximately three seconds.
· The APS switches to Standby mode and removes power from the APS output receptacles.
· Unplug the APS from the power outlet; the APS shuts down in five seconds. All front panel
indicators flash briefly prior to shutdown.
· If you do not unplug the APS, it remains in Standby mode.
NOTE: Pressing the off button while the APS is in Battery mode causes the APS to shut down
immediately.
Initiating the Self-Test
Press and hold the alert button for three seconds to initiate the self-test. During the five-second
test, the bar graph indicators cycle through twice. If the APS finds a problem, a LED indicates
where the problem is. For more information, see the “Troubleshooting” section.
NOTE: The batteries must be fully charged and the APS must be in normal or standby mode to
perform the self-test.
